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import fs from "node:fs";
import path from "node:path";
import sharp from "sharp";
import type { Config } from "svgo";
import { optimize as svgo } from "svgo";
// Mapping of src to dest
export type Src2Dest = {
// Name of the source file.
src: string;
// Name of the destination file.
dest: string;
};
/**
* Convert a list of SVG files to PNG.
*
* @param items - Array of SVG files (src: SVG, dest:PNG) to convert.
*/
export const svg2png = async (items: Src2Dest[]) => {
for (const item of items) {
try {
fs.mkdirSync(path.dirname(item.dest), { recursive: true });
const info = await sharp(item.src)
.png({
force: true,
compressionLevel: 9,
palette: true
})
.toFile(item.dest);
console.log(`[svg2png] created ${item.dest} -- bytes: ${info.size}, w:${info.width}px, h:${info.height}px`);
} catch (err) {
console.error(`ERROR: ${item.dest} -- ${err}`);
throw err;
}
}
};
/**
* Optimize SVG images for WEB.
*
* @param items - Array of SVG files (src:SVG, dest:SVG) to optimize.
* @param svgo_opts - Options passed to svgo.
*/
export const svg2svg = (items: Src2Dest[], svgo_opts: Config) => {
for (const item of items) {
try {
fs.mkdirSync(path.dirname(item.dest), { recursive: true });
const raw = fs.readFileSync(item.src, "utf8");
const opt = svgo(raw, svgo_opts);
fs.writeFileSync(item.dest, opt.data);
console.log(`[svg2svg] optimized: ${item.dest} -- src: ${item.src}`);
} catch (err) {
console.error(`ERROR: optimize src: ${item.src} -- ${err}`);
throw err;
}
}
};
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